Alfa Laval PHE, Руководство пользователя

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Maintenance English
3490008529 rev 2012-01
Plate Heat Exchanger -21 EN
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Manual cleaning of opened units
Deposits removable with water and brush
Plates do not need to be removed from the PHE dur-
ing cleaning.
1
Start cleaning when heating surface is still
wet and plates are hanging in the frame.
2
Remove deposits using a soft brush and
running water.
3
Rinse with water using a high pressure
hose.
Deposits not removable with water and
brush
Plates must be removed from the PHE during clean-
ing. Choice of cleaning agents, refer to
“Cleaning liq-
uids” on page 18 .
1
Brush with cleaning agent.
2
Rinse immediately with water.
Caution!
Never use hydrochloric acid with stainless steel plates.
Water of more than 330 ppm Cl may not be used for the
preparation of cleaning solutions. It is very important
that carrying bars and support columns in aluminium
are protected against chemicals.
Note!
Be careful not to damage the gasket during manual
cleaning.
Warning!
If necessary use proper protective equipment. Consid-
ering risks like loose particles and which kind of media
that has been used in the PHE.
Warning!
Use proper protective equipment, such as safety boots,
safety gloves and eye protection, when using the clean-
ing agents.
Warning!
Corrosive cleaning liquids. Can cause
serious injuries to skin and eye!
Note!
Long exposure of the cleaning agents can damage the
gasket glue.